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gcc/gcc/ChangeLog.omp

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2022-07-07 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-07-06 Thomas Schwinge <thomas@codesourcery.com>
* omp-general.h (enum omp_requires): Use 'GOMP_REQUIRES_[...]'.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-07-04 Tobias Burnus <tobias@codesourcery.com>
Chung-Lin Tang <cltang@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* config/gcn/mkoffload.cc (process_asm): Write '#include <stdint.h>'.
(process_obj): Pass omp_requires_mask to GOMP_offload_register_ver.
(main): Ask lto1 to obtain omp_requires_mask and pass it on.
* config/nvptx/mkoffload.cc (process, main): Likewise.
* lto-cgraph.cc (omp_requires_to_name): New.
(input_offload_tables): Save omp_requires_mask.
(output_offload_tables): Read it, check for consistency,
save value for mkoffload.
* omp-low.cc (lower_omp_target): Force output_offloadtables
call for OMP_REQUIRES_TARGET_USED.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Reverted:
2021-02-02 Chung-Lin Tang <cltang@codesourcery.com>
* omp-offload.cc (omp_finish_file): Add code to create OpenMP requires
mask variable in .gnu.gomp_requires section if needed.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-07-01 Tobias Burnus <tobias@codesourcery.com>
* config/gcn/gcn-protos.h (print_operand_address): Remove register
keyword on 'rtx addr' argument.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-06-27 Andrew Stubbs <ams@codesourcery.com>
* config/gcn/gcn.md (*movbi): Remove assembler bug workarounds.
(jump): Likewise.
(movdi_symbol_save_scc): Likewise.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-06-13 Jakub Jelinek <jakub@redhat.com>
* omp-expand.cc (expand_omp_target): Remap user provided
device clause arguments, -1 to -2 and -2 to -3, either
at compile time if constant, or at runtime.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-06-09 Jakub Jelinek <jakub@redhat.com>
* omp-offload.cc (omp_discover_declare_target_tgt_fn_r,
omp_discover_declare_target_fn_r): Don't walk reverse-offload
target regions.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-06-07 Jakub Jelinek <jakub@redhat.com>
* tree.h (OMP_CLAUSE_LINEAR_OLD_LINEAR_MODIFIER): Define.
* tree-pretty-print.cc (dump_omp_clause) <case OMP_CLAUSE_LINEAR>:
Adjust clause printing style depending on
OMP_CLAUSE_LINEAR_OLD_LINEAR_MODIFIER.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-06-06 Andrew Stubbs <ams@codesourcery.com>
* config.in: Regenerate.
* configure: Regenerate.
* configure.ac: Reinstate HAVE_GAS_ARM_EXTENDED_ARCH test.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-05-31 Jakub Jelinek <jakub@redhat.com>
* omp-low.cc (build_outer_var_ref): For code == OMP_CLAUSE_ALLOCATE
allow var to be private in the outer context.
(lower_private_allocate): Pass OMP_CLAUSE_ALLOCATE as last argument
to build_outer_var_ref.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-05-27 Jakub Jelinek <jakub@redhat.com>
* tree-core.h (enum omp_clause_code): Rename OMP_CLAUSE_TO_DECLARE
to OMP_CLAUSE_ENTER.
* tree.h (OMP_CLAUSE_ENTER_TO): Define.
* tree.cc (omp_clause_num_ops, omp_clause_code_name): Rename
OMP_CLAUSE_TO_DECLARE to OMP_CLAUSE_ENTER.
* tree-pretty-print.cc (dump_omp_clause): Handle OMP_CLAUSE_ENTER
instead of OMP_CLAUSE_TO_DECLARE, if OMP_CLAUSE_ENTER_TO, print
"to" instead of "enter".
* tree-nested.cc (convert_nonlocal_omp_clauses,
convert_local_omp_clauses): Handle OMP_CLAUSE_ENTER instead of
OMP_CLAUSE_TO_DECLARE.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-05-25 Tobias Burnus <tobias@codesourcery.com>
* doc/invoke.texi (AMD GCN Options): Add gfx908/gfx90a.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-05-24 Jakub Jelinek <jakub@redhat.com>
PR c/105378
* omp-builtins.def (BUILT_IN_GOMP_TASKWAIT_DEPEND_NOWAIT): New
builtin.
* gimplify.cc (gimplify_omp_task): Diagnose taskwait with nowait
clause but no depend clauses.
* omp-expand.cc (expand_taskwait_call): Use
BUILT_IN_GOMP_TASKWAIT_DEPEND_NOWAIT rather than
BUILT_IN_GOMP_TASKWAIT_DEPEND if nowait clause is present.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-05-20 Marcel Vollweiler <marcel@codesourcery.com>
* omp-low.cc (omp_runtime_api_call): Added target_memcpy_async and
target_memcpy_rect_async to omp_runtime_apis array.
2022-07-05 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-05-17 Tobias Burnus <tobias@codesourcery.com>
* omp-low.cc (check_omp_nesting_restrictions): Skip warning for
target inside target if inner is reverse offload.
2022-07-04 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-05-17 Tobias Burnus <tobias@codesourcery.com>
PR target/105602
* config/gcn/t-omp-device (arch): Add 'amdgcn' besides existing 'gcn'.
* config/gcn/gcn.cc (gcn_omp_device_kind_arch_isa): Likewise.
2022-07-04 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-05-17 Jakub Jelinek <jakub@redhat.com>
* tree-core.h (enum omp_clause_depend_kind): Add
OMP_CLAUSE_DEPEND_INOUTSET.
* tree-pretty-print.cc (dump_omp_clause): Handle
OMP_CLAUSE_DEPEND_INOUTSET.
* gimplify.cc (gimplify_omp_depend): Likewise.
* omp-low.cc (lower_depend_clauses): Likewise.
2022-06-17 Andrew Stubbs <ams@codesourcery.com>
* config/gcn/gcn.c (unified_shared_memory_enabled): New variable.
(gcn_init_cumulative_args): Handle attribute "omp unified memory".
(gcn_hsa_declare_function_name): Emit "MKOFFLOAD OPTIONS: USM+".
* config/gcn/mkoffload.c (TEST_XNACK_OFF): New macro.
(process_asm): Detect "MKOFFLOAD OPTIONS: USM+".
Emit configure_xnack constructor, as required.
* omp-low.c (create_omp_child_function): Add attribute "omp unified
memory".
2022-06-10 Andrew Stubbs <ams@codesourcery.com>
* config/gcn/gcn-hsa.h (XNACKOPT): New macro.
(ASM_SPEC): Use XNACKOPT.
* config/gcn/gcn-opts.h (enum sram_ecc_type): Rename to ...
(enum hsaco_attr_type): ... this, and generalize the names.
(TARGET_XNACK): New macro.
* config/gcn/gcn-valu.md (gather<mode>_insn_1offset<exec>):
Add xnack compatible alternatives.
(gather<mode>_insn_2offsets<exec>): Likewise.
* config/gcn/gcn.c (gcn_option_override): Permit -mxnack for devices
other than Fiji.
(gcn_expand_epilogue): Remove early-clobber problems.
(output_file_start): Emit xnack attributes.
(gcn_hsa_declare_function_name): Obey -mxnack setting.
* config/gcn/gcn.md (xnack): New attribute.
(enabled): Rework to include "xnack" attribute.
(*movbi): Add xnack compatible alternatives.
(*mov<mode>_insn): Likewise.
(*mov<mode>_insn): Likewise.
(*mov<mode>_insn): Likewise.
(*movti_insn): Likewise.
* config/gcn/gcn.opt (-mxnack): Add the "on/off/any" syntax.
(sram_ecc_type): Rename to ...
(hsaco_attr_type: ... this.)
* config/gcn/mkoffload.c (SET_XNACK_ANY): New macro.
(TEST_XNACK): Delete.
(TEST_XNACK_ANY): New macro.
(TEST_XNACK_ON): New macro.
(main): Support the new -mxnack=on/off/any syntax.
2022-06-30 Kwok Cheung Yeung <kcy@codesourcery.com>
* dwarf2cfi.cc (get_cfa_from_loc_descr): Check op against DW_OP_bregx.
2022-06-30 Tobias Burnus <tobias@codesourcery.com>
* graphite-isl-ast-to-gimple.cc (graphite_oacc_analyze_scop): Update
arguments of dump_printf.
2022-06-30 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-offload.cc (oacc_loop_warn_if_false_independent): Remove extra
'.' at end of message.
2022-06-30 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-low.cc (usm_transform): Remove unused function argument.
2022-06-30 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-offload.cc (oacc_loop_get_cfg_loop): Cast tail_mark to
gimple* for dump_printf.
* tree-scalar-evolution.cc (oacc_ifn_call_extract): Remove
unused variable 'call'.
2022-06-30 Kwok Cheung Yeung <kcy@codesourcery.com>
* gimplify.cc (gimplify_scan_omp_clauses): Remove extra
'%<..%>' pair in format string.
2022-06-30 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-data-optimize.cc (omp_data_optimize_add_candidate): Suppress
format checking.
(omp_data_optimize_can_be_private): Likewise.
(omp_data_optimize_can_be_private): Likewise.
2022-05-13 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-expand.cc (expand_omp_target): Gimplify launch dimensions used
in function call.
2022-04-14 Kwok Cheung Yeung <kcy@codesourcery.com>
* graphite-oacc.cc (find_oacc_tail_marks): Check that data_dep is
non-NULL before testing it.
(reduction_use_in_outer_loop_p): Likewise.
2022-05-12 Jakub Jelinek <jakub@redhat.com>
Backport from mainline:
2022-05-12 Jakub Jelinek <jakub@redhat.com>
* gimplify.cc (gimplify_omp_depend): Don't build_fold_addr_expr
if null_pointer_node.
(gimplify_scan_omp_clauses): Likewise.
* tree-pretty-print.cc (dump_omp_clause): Print null_pointer_node
as omp_all_memory.
2022-04-06 Thomas Schwinge <thomas@codesourcery.com>
Backport from mainline:
2022-04-06 Thomas Schwinge <thomas@codesourcery.com>
* doc/install.texi: Don't document '--with-hsa-runtime',
'--with-hsa-runtime-include', '--with-hsa-runtime-lib'.
2022-05-06 Marcel Vollweiler <marcel@codesourcery.com>
Backport from mainline:
2022-05-06 Marcel Vollweiler <marcel@codesourcery.com>
* omp-low.cc (omp_runtime_api_call): Added target_is_accessible to
omp_runtime_apis array.
2022-05-05 Sandra Loosemore <sandra@codesourcery.com>
Backport from mainline:
2022-05-05 Sandra Loosemore <sandra@codesourcery.com>
* gimplify.cc (gimplify_omp_for): Update messages for SCHEDULED
and ORDERED clause conflict errors. Add check for GRAINSIZE and
NUM_TASKS on TASKLOOP.
2022-05-02 Marcel Vollweiler <marcel@codesourcery.com>
Backport from mainline:
2022-05-02 Marcel Vollweiler <marcel@codesourcery.com>
* omp-low.cc (omp_runtime_api_call): Added get_mapped_ptr to
omp_runtime_apis array.
2022-06-17 Chung-Lin Tang <cltang@codesourcery.com>
Backport from mainline:
2022-06-17 Chung-Lin Tang <cltang@codesourcery.com>
* builtin-types.def (BT_FN_VOID_PTRMODE): Define.
(BT_FN_PTRMODE_PTRMODE_INT_PTR): Define.
* omp-builtins.def (BUILT_IN_OMP_INIT_ALLOCATOR): Define.
(BUILT_IN_OMP_DESTROY_ALLOCATOR): Define.
* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_USES_ALLOCATORS.
* tree-pretty-print.cc (dump_omp_clause): Handle OMP_CLAUSE_USES_ALLOCATORS.
* tree.h (OMP_CLAUSE_USES_ALLOCATORS_ALLOCATOR): New macro.
(OMP_CLAUSE_USES_ALLOCATORS_MEMSPACE): New macro.
(OMP_CLAUSE_USES_ALLOCATORS_TRAITS): New macro.
* tree.cc (omp_clause_num_ops): Add OMP_CLAUSE_USES_ALLOCATORS.
(omp_clause_code_name): Add "uses_allocators".
(walk_tree_1): Add OMP_CLAUSE_USES_ALLOCATORS case.
* gimplify.cc (gimplify_scan_omp_clauses): Add checking of OpenMP target
region allocate clauses, to require a uses_allocators clause to exist
for allocators.
(gimplify_omp_workshare): Add handling of OMP_CLAUSE_USES_ALLOCATORS
for OpenMP target regions; create calls of omp_init/destroy_allocator
around target region body.
* omp-low.cc (lower_private_allocate): Adjust receiving of allocator.
(lower_rec_input_clauses): Likewise.
(create_task_copyfn): Add dereference for allocator if needed.
* system.h (startswith): New function.
2022-02-24 Andrew Stubbs <ams@codesourcery.com>
Backport from mainline:
2022-02-24 Andrew Stubbs <ams@codesourcery.com>
* config.gcc (amdgcn): Accept --with-arch=gfx908 and gfx90a.
* config/gcn/gcn-opts.h (enum gcn_isa): New.
(TARGET_GCN3): Use enum gcn_isa.
(TARGET_GCN3_PLUS): Likewise.
(TARGET_GCN5): Likewise.
(TARGET_GCN5_PLUS): Likewise.
(TARGET_CDNA1): New.
(TARGET_CDNA1_PLUS): New.
(TARGET_CDNA2): New.
(TARGET_CDNA2_PLUS): New.
(TARGET_M0_LDS_LIMIT): New.
(TARGET_PACKED_WORK_ITEMS): New.
* config/gcn/gcn.cc (gcn_isa): Change to enum gcn_isa.
(gcn_option_override): Recognise CDNA ISA variants.
(gcn_omp_device_kind_arch_isa): Support gfx90a.
(gcn_expand_prologue): Make m0 init optional.
Add support for packed work items.
(output_file_start): Support gfx90a.
(gcn_hsa_declare_function_name): Support gfx90a metadata.
* config/gcn/gcn.h (TARGET_CPU_CPP_BUILTINS):Add __CDNA1__ and
__CDNA2__.
* config/gcn/gcn.md (<su>mulsi3_highpart): Use TARGET_GCN5_PLUS.
(<su>mulsi3_highpart_imm): Likewise.
(<su>mulsidi3): Likewise.
(<su>mulsidi3_imm): Likewise.
* config/gcn/gcn.opt (gpu_type): Add gfx90a.
* config/gcn/mkoffload.cc (EF_AMDGPU_MACH_AMDGCN_GFX90a): New.
(main): Support gfx90a.
* config/gcn/t-gcn-hsa: Add gfx90a multilib.
* config/gcn/t-omp-device: Add gfx90a isa.
2022-02-15 Andrew Stubbs <ams@codesourcery.com>
Backport from mainline:
2022-02-15 Andrew Stubbs <ams@codesourcery.com>
* config.in: Regenerate.
* config/gcn/gcn-hsa.h (X_FIJI): Delete.
(X_900): Delete.
(X_906): Delete.
(X_908): Delete.
(S_FIJI): Delete.
(S_900): Delete.
(S_906): Delete.
(S_908): Delete.
(NO_XNACK): New macro.
(NO_SRAM_ECC): New macro.
(SRAMOPT): Keep only v4 variant.
(HSACO3_SELECT_OPT): Delete.
(DRIVER_SELF_SPECS): Delete.
(ASM_SPEC): Remove LLVM 9 support.
* config/gcn/gcn-valu.md
(gather<mode>_insn_2offsets<exec>): Remove assembler bug workaround.
(scatter<mode>_insn_2offsets<exec_scatter>): Likewise.
* config/gcn/gcn.cc (output_file_start): Remove LLVM 9 support.
(print_operand_address): Remove assembler bug workaround.
* config/gcn/mkoffload.cc (EF_AMDGPU_XNACK_V3): Delete.
(EF_AMDGPU_SRAM_ECC_V3): Delete.
(SET_XNACK_ON): Delete v3 variants.
(SET_XNACK_OFF): Delete v3 variants.
(TEST_XNACK): Delete v3 variants.
(SET_SRAM_ECC_ON): Delete v3 variants.
(SET_SRAM_ECC_ANY): Delete v3 variants.
(SET_SRAM_ECC_OFF): Delete v3 variants.
(SET_SRAM_ECC_UNSUPPORTED): Delete v3 variants.
(TEST_SRAM_ECC_ANY): Delete v3 variants.
(TEST_SRAM_ECC_ON): Delete v3 variants.
(copy_early_debug_info): Remove v3 support.
(main): Remove v3 support.
* configure: Regenerate.
* configure.ac: Replace all GCN feature checks with a version check.
2022-05-23 Tobias Burnus <tobias@codesourcery.com>
Backport from mainline:
2022-05-23 Tobias Burnus <tobias@codesourcery.com>
* langhooks-def.h (lhd_omp_array_size): New.
(LANG_HOOKS_OMP_ARRAY_SIZE): Define.
(LANG_HOOKS_DECLS): Add it.
* langhooks.cc (lhd_omp_array_size): New.
* langhooks.h (struct lang_hooks_for_decls): Add hook.
* omp-low.cc (scan_sharing_clauses, lower_omp_target):
Handle GOMP_MAP_FIRSTPRIVATE for array descriptors.
2022-05-09 Kwok Cheung Yeung <kcy@codesourcery.com>
Backport from master:
2022-05-04 Tobias Burnus <tobias@codesourcery.com>
* omp-low.cc (lower_omp_target): Fix use_device_{addr,ptr} with list
item that is in an outer data-sharing clause.
2022-04-20 Andrew Stubbs <ams@codesourcery.com>
* omp-low.cc: Do USM transformations for "unified_address".
2022-04-02 Andrew Stubbs <ams@codesourcery.com>
* omp-low.cc (usm_transform): Transform omp_target_alloc and
omp_target_free.
2022-03-31 Abid Qadeer <abidh@codesourcery.com>
* omp-low.cc (lower_omp_allocate): Move allocate declaration
inside loop. Set it to false at the end of condition.
2022-03-30 Andrew Stubbs <ams@codesourcery.com>
* omp-builtins.def (BUILT_IN_GOMP_ENABLE_PINNED_MODE): New.
* omp-low.cc (omp_enable_pinned_mode): Use
BUILT_IN_GOMP_ENABLE_PINNED_MODE.
2022-03-11 Andrew Stubbs <ams@codesourcery.com>
Backport of the patch posted at
https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591354.html
* omp-low.cc (omp_enable_pinned_mode): New function.
(execute_lower_omp): Call omp_enable_pinned_mode.
2022-03-11 Abid Qadeer <abidh@codesourcery.com>
Backport of a patch posted at
https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591353.html
* omp-low.cc (usm_transform): New function.
(make_pass_usm_transform): Likewise.
(class pass_usm_transform): New.
* passes.def: Add pass_usm_transform.
* tree-pass.h (make_pass_usm_transform): New declaration.
2022-03-10 Andrew Stubbs <ams@codesourcery.com>
Backport of the patch posted at
https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591350.html
* common.opt: Add -foffload-memory and its enum values.
* coretypes.h (enum offload_memory): New.
* doc/invoke.texi: Document -foffload-memory.
2022-03-09 Abid Qadeer <abidh@codesourcery.com>
Backport of a patch posted at
https://gcc.gnu.org/pipermail/gcc-patches/2022-January/588372.html
* omp-low.cc (scan_sharing_clauses): Handle OMP_CLAUSE_ALLOCATOR.
(scan_omp_allocate): New.
(scan_omp_1_stmt): Call it.
(lower_omp_allocate): New function.
(lower_omp_1): Call it.
2022-03-09 Abid Qadeer <abidh@codesourcery.com>
Backport of a patch posted at
https://gcc.gnu.org/pipermail/gcc-patches/2022-January/588371.html
* doc/gimple.texi: Describe GIMPLE_OMP_ALLOCATE.
* gimple-pretty-print.cc (dump_gimple_omp_allocate): New function.
(pp_gimple_stmt_1): Call it.
* gimple.cc (gimple_build_omp_allocate): New function.
* gimple.def (GIMPLE_OMP_ALLOCATE): New node.
* gimple.h (enum gf_mask): Add GF_OMP_ALLOCATE_KIND_MASK,
GF_OMP_ALLOCATE_KIND_ALLOCATE and GF_OMP_ALLOCATE_KIND_FREE.
(struct gomp_allocate): New.
(is_a_helper <gomp_allocate *>::test): New.
(is_a_helper <const gomp_allocate *>::test): New.
(gimple_build_omp_allocate): Declare.
(gimple_omp_subcode): Replace GIMPLE_OMP_TEAMS with
GIMPLE_OMP_ALLOCATE.
(gimple_omp_allocate_set_clauses): New.
(gimple_omp_allocate_set_kind): Likewise.
(gimple_omp_allocate_clauses): Likewise.
(gimple_omp_allocate_kind): Likewise.
(CASE_GIMPLE_OMP): Add GIMPLE_OMP_ALLOCATE.
* gimplify.cc (gimplify_omp_allocate): New.
(gimplify_expr): Call it.
* gsstruct.def (GSS_OMP_ALLOCATE): Define.
2022-03-09 Abid Qadeer <abidh@codesourcery.com>
Backport of a patch posted at
https://gcc.gnu.org/pipermail/gcc-patches/2022-January/588370.html
* tree-core.h (struct tree_base): Add comments.
* tree-pretty-print.cc (dump_generic_node): Handle allocate directive
kind.
* tree.h (OMP_ALLOCATE_KIND_ALLOCATE): New define.
(OMP_ALLOCATE_KIND_FREE): Likewise.
2022-03-09 Abid Qadeer <abidh@codesourcery.com>
Backport of a patch posted at
https://gcc.gnu.org/pipermail/gcc-patches/2022-January/588369.html
* tree-pretty-print.cc (dump_omp_clause): Handle OMP_CLAUSE_ALLOCATOR.
(dump_generic_node): Handle OMP_ALLOCATE.
* tree.def (OMP_ALLOCATE): New.
* tree.h (OMP_ALLOCATE_CLAUSES): Likewise.
(OMP_ALLOCATE_DECL): Likewise.
(OMP_ALLOCATE_ALLOCATOR): Likewise.
* tree.cc (omp_clause_num_ops): Add entry for OMP_CLAUSE_ALLOCATOR.
2022-03-08 Abid Qadeer <abidh@codesourcery.com>
* omp-low.cc (omp_maybe_offloaded_ctx): New prototype.
(scan_sharing_clauses): Check a restriction on allocate clause.
2022-03-01 Tobias Burnus <tobias@codesourcery.com>
* langhooks-def.h (lhd_omp_deep_mapping_p,
lhd_omp_deep_mapping_cnt, lhd_omp_deep_mapping): New.
(LANG_HOOKS_OMP_DEEP_MAPPING_P, LANG_HOOKS_OMP_DEEP_MAPPING_CNT,
LANG_HOOKS_OMP_DEEP_MAPPING): Define.
(LANG_HOOKS_DECLS): Use it.
* langhooks.cc (lhd_omp_deep_mapping_p, lhd_omp_deep_mapping_cnt,
lhd_omp_deep_mapping): New stubs.
* langhooks.h (struct lang_hooks_for_decls): Add new hooks
* omp-expand.cc (expand_omp_target): Handle dynamic-size
addr/sizes/kinds arrays.
* omp-low.cc (build_sender_ref, fixup_child_record_type,
scan_sharing_clauses, lower_omp_target): Update to handle
new hooks and dynamic-size addr/sizes/kinds arrays.
2022-02-24 Chung-Lin Tang <cltang@codesourcery.com>
* gimplify.cc (gimplify_scan_omp_clauses): Add case for
attach/detach map kind for ARRAY_REF of POINTER_TYPE.
2022-02-11 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-general.cc (DELAY_METADIRECTIVES_AFTER_LTO): Check that cfun is
non-null before derefencing.
2022-01-28 Kwok Cheung Yeung <kcy@codesourcery.com>
* gimplify.cc (gimplify_omp_metadirective): Mark offloadable functions
containing metadirectives with 'construct={target}' in the selector.
* omp-general.cc (omp_has_target_constructor_p): New.
* omp-general.h (omp_has_target_constructor_p): New prototype.
* omp-low.cc (lower_omp_1): Emit warning if marked functions called
outside of a target context.
2022-01-25 Kwok Cheung Yeung <kcy@codesourcery.com>
* builtin-types.def (BT_FN_BOOL_INT_CONST_PTR_CONST_PTR_CONST_PTR): New
type.
* omp-builtins.def (BUILT_IN_GOMP_EVALUATE_TARGET_DEVICE): New builtin.
* omp-general.cc (omp_context_selector_matches): Handle 'target_device'
selector set.
(omp_dynamic_cond): Generate expression tree for 'target_device'
selector set.
(omp_context_compute_score): Handle selectors in 'target_device' set.
2022-01-25 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-general.cc (omp_dynamic_cond): Do not return user condition if
constant.
2022-01-25 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-general.cc (omp_check_context_selector): Revert string length
check.
(omp_context_name_list_prop): Likewise.
2022-01-25 Kwok Cheung Yeung <kcy@codesourcery.com>
* Makefile.in (OBJS): Add omp-expand-metadirective.o.
* gimple-streamer-in.cc (input_gimple_stmt): Add case for
GIMPLE_OMP_METADIRECTIVE. Handle metadirective labels.
* gimple-streamer-out.cc (output_gimple_stmt): Likewise.
* omp-expand-metadirective.cc: New.
* passes.def: Add pass_omp_expand_metadirective.
* tree-pass.h (make_pass_omp_expand_metadirective): New prototype.
2022-01-25 Kwok Cheung Yeung <kcy@codesourcery.com>
* gimplify.cc (expand_omp_metadirective): New.
* omp-general.cc: Include tree-pretty-print.h.
(DELAY_METADIRECTIVES_AFTER_LTO): New macro.
(omp_context_selector_matches): Delay resolution of selectors. Allow
non-constant expressions.
(omp_dynamic_cond): New.
(omp_dynamic_selector_p): New.
(sort_variant): New.
(omp_get_dynamic_candidates): New.
(omp_resolve_metadirective): New.
(omp_resolve_metadirective): New.
* omp-general.h (struct omp_metadirective_variant): New.
(omp_resolve_metadirective): New prototype.
2022-01-25 Kwok Cheung Yeung <kcy@codesourcery.com>
* gimple-low.cc (lower_omp_metadirective): New.
(lower_stmt): Handle GIMPLE_OMP_METADIRECTIVE.
* gimple-pretty-print.cc (dump_gimple_omp_metadirective): New.
(pp_gimple_stmt_1): Handle GIMPLE_OMP_METADIRECTIVE.
* gimple-walk.cc (walk_gimple_op): Handle GIMPLE_OMP_METADIRECTIVE.
(walk_gimple_stmt): Likewise.
* gimple.cc (gimple_alloc_omp_metadirective): New.
(gimple_build_omp_metadirective): New.
(gimple_build_omp_metadirective_variant): New.
* gimple.def (GIMPLE_OMP_METADIRECTIVE): New.
(GIMPLE_OMP_METADIRECTIVE_VARIANT): New.
* gimple.h (gomp_metadirective_variant): New.
(gomp_metadirective): New.
(is_a_helper <gomp_metadirective *>::test): New.
(is_a_helper <gomp_metadirective_variant *>::test): New.
(is_a_helper <const gomp_metadirective *>::test): New.
(is_a_helper <const gomp_metadirective_variant *>::test): New.
(gimple_alloc_omp_metadirective): New prototype.
(gimple_build_omp_metadirective): New prototype.
(gimple_build_omp_metadirective_variant): New prototype.
(gimple_has_substatements): Add GIMPLE_OMP_METADIRECTIVE case.
(gimple_has_ops): Add GIMPLE_OMP_METADIRECTIVE.
(gimple_omp_metadirective_label): New.
(gimple_omp_metadirective_set_label): New.
(gimple_omp_metadirective_variants): New.
(gimple_omp_metadirective_set_variants): New.
(CASE_GIMPLE_OMP): Add GIMPLE_OMP_METADIRECTIVE.
* gimplify.cc (is_gimple_stmt): Add OMP_METADIRECTIVE.
(expand_omp_metadirective): New.
(gimplify_omp_metadirective): New.
(gimplify_expr): Add case for OMP_METADIRECTIVE.
* gsstruct.def (GSS_OMP_METADIRECTIVE): New.
(GSS_OMP_METADIRECTIVE_VARIANT): New.
* omp-expand.cc (build_omp_regions_1): Handle GIMPLE_OMP_METADIRECTIVE.
(omp_make_gimple_edges): Likewise.
* omp-low.cc (struct omp_context): Add next_clone field.
(new_omp_context): Initialize next_clone field.
(clone_omp_context): New.
(delete_omp_context): Delete clone contexts.
(scan_omp_metadirective): New.
(scan_omp_1_stmt): Handle GIMPLE_OMP_METADIRECTIVE.
(lower_omp_metadirective): New.
(lower_omp_1): Handle GIMPLE_OMP_METADIRECTIVE.
* tree-cfg.cc (cleanup_dead_labels): Handle GIMPLE_OMP_METADIRECTIVE.
(gimple_redirect_edge_and_branch): Likewise.
* tree-inline.cc (remap_gimple_stmt): Handle GIMPLE_OMP_METADIRECTIVE.
(estimate_num_insns): Likewise.
* tree-pretty-print.cc (dump_generic_node): Handle OMP_METADIRECTIVE.
* tree-ssa-operands.cc (parse_ssa_operands): Handle
GIMPLE_OMP_METADIRECTIVE.
2022-01-25 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-general.cc (omp_context_selector_matches): Add extra argument.
(omp_resolve_metadirective): New stub function.
* omp-general.h (struct omp_metadirective_variant): New.
(omp_context_selector_matches): Add extra argument.
(omp_resolve_metadirective): New prototype.
* tree.def (OMP_METADIRECTIVE): New.
* tree.h (OMP_METADIRECTIVE_CLAUSES): New macro.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* graphite-scop-detection.cc (scop_detection::harmful_loop_in_region):
Remove check for loops without data references.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* graphite-scop-detection.cc (scop_context_loop): New function.
(build_alias_set): Use scop_context_loop instead of find_common_loop.
* graphite-isl-ast-to-gimple.cc (graphite_regenerate_ast_isl): Likewise.
* graphite.h (scop_context_loop): New declaration.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* graphite-optimize-isl.cc (optimize_isl): Adjust
param_max_isl_operations value for OpenACC functions and add
special warnings if value gets exceeded.
* graphite-scop-detection.cc (build_scops): Likewise for
param_graphite_max_arrays_per_scop.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* tree-ssa-pre.cc (insert): Skip any insertions in OpenACC
functions that might be processed by Graphite.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* passes.def: Set restrict_oacc_hoisting to true for the early
pass_lim instance.
* tree-ssa-loop-im.cc (movement_possibility): Add
restrict_oacc_hoisting flag to function; restrict movement if set.
(compute_invariantness): Add restrict_oacc_hoisting flag and pass it on.
(gather_mem_refs_stmt): Skip IFN_GOACC_LOOP and IFN_UNIQUE
calls.
(loop_invariant_motion_in_fun): Add restrict_oacc_hoisting flag and
pass it on.
(pass_lim::execute): Pass on new flags.
* tree-ssa-loop-manip.h (loop_invariant_motion_in_fun): Adjust declaration.
* gimple-loop-interchange.cc (pass_linterchange::execute): Adjust call to
loop_invariant_motion_in_fun.
2021-11-16 Andrew Stubbs <ams@codesourcery.com>
* common.opt: Add flag Wopenacc-false-independent.
* omp-offload.cc (oacc_loop_warn_if_false_independent): New function.
(oacc_loop_fixed_partitions): Call from here.
2021-11-16 Andrew Stubbs <ams@codesourcery.com>
* graphite-isl-ast-to-gimple.cc: Include internal-fn.h.
(graphite_oacc_analyze_scop): Implement runtime alias checks.
* omp-expand.cc (expand_oacc_for): Add an additional "noalias" parameter
to GOACC_LOOP internal calls, and initialise it to integer_one_node.
* omp-offload.cc (oacc_xform_loop): Integrate the runtime alias check
into the GOACC_LOOP expansion.
2021-11-16 Andrew Stubbs <ams@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* Makefile.in: Add pass.
* doc/gimple.texi: TODO.
* gimple-walk.cc (walk_gimple_seq_mod): Adjust for backward walking.
* gimple-walk.h (struct walk_stmt_info): Add field.
* passes.def: Add new pass.
* tree-pass.h (make_pass_omp_data_optimize): New declaration.
* omp-data-optimize.cc: New file.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* tree-pretty-print.cc (print_omp_clause_to_str): Add new function.
* tree-pretty-print.h (print_omp_clause_to_str): Add declaration.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* omp-offload.cc (oacc_remove_unused_partitioning): New function
for removing partitioning that is not used by any loop.
(oacc_validate_dims): Call oacc_remove_unused_partitioning and
enable warnings about unused partitioning.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* graph.cc (oacc_get_fn_attrib): New declaration.
(find_loop_location): New declaration.
(draw_cfg_nodes_for_loop): Print value of the
can_be_parallel flag at the top of loops in OpenACC
functions.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* Makefile.in: Add graphite-oacc.o
* cfgloop.cc (alloc_loop): Set can_be_parallel_valid_p to false.
* cfgloop.h: Add can_be_parallel_valid_p field.
* cfgloopmanip.cc (copy_loop_info): Add assert.
* config/nvptx/nvptx.cc (nvptx_goacc_reduction_setup):
* doc/invoke.texi: Adjust param openacc-kernels description.
* doc/passes.texi: Adjust pass_ipa_oacc_kernels description.
* flag-types.h (enum openacc_kernels):Add
OPENACC_KERNELS_DECOMPOSE_PARLOOPS.
* gimple-pretty-print.cc (dump_gimple_omp_target): Handle
GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_GRAPHITE.
* gimple.h (enum gf_mask): Add
GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_GRAPHITE and
widen GF_OMP_TARGET_KIND_MASK.
(is_gimple_omp_oacc): Handle
GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_GRAPHITE.
(is_gimple_omp_offloaded): Likewise.
* gimplify.cc (gimplify_omp_for): Enable reduction localization
for "kernels" regions.
(gimplify_omp_workshare): Likewise.
* graphite-dependences.cc (scop_get_reads_and_writes): Handle
"kills" and "reduction" PDRs.
(apply_schedule_on_deps): Add dump output for intermediate
steps of the dependence computation to enable understanding
of unexpected dependences.
(carries_deps): Likewise.
(scop_get_dependences): Handle "kill" operations and add dump
output.
* graphite-isl-ast-to-gimple.cc (visit_schedule_loop_node): New function.
(graphite_oacc_analyze_scop): New function.
* graphite-optimize-isl.cc (optimize_isl): Remove "static" and
add argument to identify OpenACC use; don't fail on unchanged
schedule in this case.
* graphite-poly.cc (new_poly_dr): Handle "kills".
(print_pdr): Likewise.
(new_gimple_poly_bb): Likewise.
(free_gimple_poly_bb): Likewise.
(new_scop): Handle "reduction", "private", and "firstprivate"
hash sets.
(free_scop): Likewise.
(print_isl_space): New function.
(debug_isl_space): New function.
* graphite-scop-detection.cc (scop_detection::can_represent_loop):
Don't fail if niter is 0 in OpenACC functions.
(scop_detection::add_scop): Don't reject regions with only one
loop in OpenACC functions.
(ignored_oacc_internal_call_p): New function.
(scan_tree_for_params): Handle VIEW_CONVERT_EXPR.
(stmt_has_side_effects): Ignore internal OpenACC function calls.
(add_write): Likewise.
(add_read): Likewise.
(add_kill): New function.
(add_kills): New function.
(add_oacc_kills): New function.
(try_generate_gimple_bb): Kill false dependences for OpenACC
"private"/"firstprivate" vars.
(gather_bbs::gather_bbs): Determin OpenACC
"private"/"firstprivate" vars in region.
(gather_bbs::before_dom_children): Add assert.
(determine_openacc_reductions): New function.
(build_scops): Determine OpenACC "reduction" vars in SCoP.
* graphite-sese-to-poly.cc (oacc_ifn_call_extract): New declaration.
(oacc_internal_call_p): New function.
(build_poly_dr): Ignore internal OpenACC function calls,
handle "reduction" refs.
(build_poly_sr): Likewise; handle "kill" operations.
* graphite.cc (graphite_transform_loops): Accept functions with
only a single loop.
(oacc_enable_graphite_p): New function.
(gate_graphite_transforms): Enable pass on OpenACC functions.
* graphite.h (enum poly_dr_type): Add PDR_KILL.
(struct poly_dr): Add "is_reduction" field.
(new_poly_dr): Add argument to declaration.
(pdr_kill_p): New function.
(print_isl_space): New declaration.
(debug_isl_space): New declaration.
(struct scop): Add fields "reductions_vars",
"oacc_firstprivate_vars", and "oacc_private_scalars".
(optimize_isl): New declaration.
(graphite_oacc_analyze_scop): New declaration.
* internal-fn.cc (expand_UNIQUE): Handle
IFN_UNIQUE_OACC_PRIVATE_SCALAR and IFN_UNIQUE_OACC_FIRSTPRIVATE
* internal-fn.h: Add OACC_PRIVATE_SCALAR and OACC_FIRSTPRIVATE
* omp-expand.cc (struct omp_region): Adjust comment.
(expand_omp_taskloop_for_inner):
(expand_omp_for): Add asserts about expected "kernels" region types.
(mark_loops_in_oacc_kernels_region): Likewise.
(expand_omp_target): Likewise; handle
GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_GRAPHITE.
(build_omp_regions_1): Handle
GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_GRAPHITE.
Likewise.
(omp_make_gimple_edges): Likewise.
* omp-general.cc (oacc_get_kernels_attrib): New function.
(oacc_get_fn_dim_size): Allow argument to be NULL.
* omp-general.h (oacc_get_kernels_attrib): New declaration.
* omp-low.cc (struct omp_context): Add fields
"oacc_firstprivate_vars" and "oacc_private_scalars".
(was_originally_oacc_kernels): New function.
(is_oacc_kernels):
(is_oacc_kernels_decomposed_graphite_part): New function.
(new_omp_context): Allocate "oacc_first_private_vars" and
"oacc_private_scalars" ...
(delete_omp_context): ... and free from here.
(oacc_record_firstprivate_var_clauses): New function.
(oacc_record_private_scalars): New function.
(scan_sharing_clauses): Call functions to record "private"
scalars and "firstprivate" variables.
(check_oacc_kernel_gwv): Add assert.
(ctx_in_oacc_kernels_region): Handle
GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_GRAPHITE.
(scan_omp_for): Likewise.
(check_omp_nesting_restrictions): Likewise.
(lower_oacc_head_mark): Likewise.
(lower_omp_for): Likewise.
(lower_omp_target): Create "private" and "firstprivate" marker
call statements.
(lower_oacc_head_tail): Adjust "private" and "firstprivate"
marker calls.
(lower_oacc_reductions): Emit "private" and "firstprivate"
marker call statements.
(make_oacc_firstprivate_vars_marker): New function.
(make_oacc_private_scalars_marker): New function.
* omp-oacc-kernels-decompose.cc (adjust_region_code_walk_stmt_fn):
Assign GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_GRAPHITE to
region using the new "kernels" handling.
(make_region_seq): Adjust default region type for new
"kernels" handling; no more exceptions, let Graphite handle everything.
(make_region_loop_nest): Likewise; add dump output and assert.
(adjust_nested_loop_clauses): Stop creating "auto" clauses if
loop has "independent", "gang" etc.
(transform_kernels_loop_clauses): Likewise.
* omp-offload.cc (oacc_extract_loop_call): New function.
(oacc_loop_get_cfg_loop): New function.
(can_be_parallel_str): New function.
(oacc_loop_can_be_parallel_p): New function.
(oacc_parallel_kernels_graphite_fun_p): New function.
(oacc_parallel_fun_p): New function.
(oacc_loop_transform_auto_into_independent): New function, ...
(oacc_loop_fixed_partitions): ... called from here to transfer
the result of Graphite's analysis to the loop.
(execute_oacc_loop_designation): Handle "oacc
functions with "parallel_kernels_graphite" attribute.
(execute_oacc_device_lower): Handle
IFN_UNIQUE_OACC_PRIVATE_SCALAR and IFN_UNIQUE_OACC_FIRSTPRIVATE.
* omp-offload.h (oacc_extract_loop_call): Add declaration.
* params.opt: Add "param=openacc-kernels" value "decompose-parloops".
* sese.cc (scalar_evolution_in_region): "Redirect" SCEV
analysis to outer loop for IFN_GOACC_LOOP calls.
* sese.h: Add field "kill_scalar_refs".
* tree-chrec.cc (chrec_fold_plus_1): Handle VIEW_CONVERT_EXPR
like CASE_CONVERT.
* tree-data-ref.cc (dump_data_reference): Include
DR_BASE_ADDRESS and DR_OFFSET in dump output.
(get_references_in_stmt): Don't reject OpenACC internal function
calls.
(graphite_find_data_references_in_stmt): Remove unused variable.
* tree-parloops.cc (pass_parallelize_loops::execute): Disable
pass with the new kernels handling, enable if requested explicitly.
* tree-scalar-evolution.cc (set_scev_analyze_openacc_calls):
Set flag to enable the analysis of internal OpenACC function
calls (use for Graphite only).
(oacc_call_analyzable_p): New function.
(oacc_ifn_call_extract): New function.
(oacc_simplify): New function.
(add_to_evolution): Simplify OpenACC internal function calls
if applicable.
(follow_ssa_edge_binary): Likewise.
(follow_ssa_edge_expr): Likewise.
(follow_copies_to_constant): Likewise.
(analyze_initial_condition): Likewise.
(interpret_loop_phi): Likewise.
(interpret_gimple_call): New function.
(interpret_rhs_expr): Likewise.
(instantiate_scev_name): Likewise.
(analyze_scalar_evolution_1): Handle GIMPLE_CALL, handle default definitions.
(expression_expensive_p): Consider internal OpenACC calls to
be cheap.
* tree-scalar-evolution.h (set_scev_analyze_openacc_calls):
New declaration.
(oacc_call_analyzable_p): New declaration.
* tree-ssa-dce.cc (mark_stmt_if_obviously_necessary): Mark
lhs of internal OpenACC function calls necessary.
* tree-ssa-ifcombine.c (recognize_if_then_else):
* tree-ssa-loop-niter.cc (oacc_call_analyzable_p):
(oacc_ifn_call_extract): New declaration.
(interpret_gimple_call): New delcaration.
(expand_simple_operations): Handle internal OpenACC function calls.
* tree-ssa-loop.cc (gate_oacc_kernels): Disable for new
"kernels" handling.
* graphite-oacc.cc: New file.
* graphite-oacc.h: New file.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* common.opt: Add fgraphite-runtime-alias-checks.
* graphite-isl-ast-to-gimple.cc
(generate_alias_cond): New function.
(graphite_regenerate_ast_isl): Use from here.
* graphite-poly.cc (new_scop): Create unhandled_alias_ddrs vec ...
(free_scop): and release here.
* graphite-scop-detection.cc (dr_defs_outside_region): New function.
(dr_well_analyzed_for_runtime_alias_check_p): New function.
(graphite_runtime_alias_check_p): New function.
(build_alias_set): Record unhandled alias ddrs for later alias check
creation if flag_graphite_runtime_alias_checks is true instead
of failing.
* graphite.h (struct scop): Add field unhandled_alias_ddrs.
* sese.h (has_operands_from_region_p): New function.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* tree-loop-distribution.cc (data_ref_segment_size): Remove function.
(latch_dominated_by_data_ref): Likewise.
(compute_alias_check_pairs): Likewise.
* tree-data-ref.cc (data_ref_segment_size): New function,
copied from tree-loop-distribution.c
(compute_alias_check_pairs): Likewise.
(latch_dominated_by_data_ref): Likewise.
* tree-data-ref.h (compute_alias_check_pairs): New declaration.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* predict.cc (pass_profile::execute): Fix dump message.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* graphite-sese-to-poly.cc (build_poly_sr_1): Fix a typo and
a reference to a variable which does not exist.
* graphite-isl-ast-to-gimple.cc (gsi_insert_earliest): Fix typo
in comment.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* graphite-sese-to-poly.cc (isl_id_for_ssa_name): Rename to ...
(isl_id_for_parameter): ... this new function name.
(build_scop_context): Adjust function use.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* graphite-scop-detection.cc (scop_detection::can_represent_loop):
Output reason for failure to dump file.
(scop_detection::harmful_loop_in_region): Likewise.
(scop_detection::graphite_can_represent_expr): Likewise.
(scop_detection::stmt_has_simple_data_refs_p): Likewise.
(scop_detection::stmt_simple_for_scop_p): Likewise.
(print_sese_loop_numbers): New function.
(scop_detection::add_scop): Use from here to print loops in
rejected SCoP.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* omp-general.cc (oacc_get_fn_dim_size): Return 0 on
missing "dims".
* omp-offload.cc (pass_oacc_loop_designation::clone): New
member function.
(pass_oacc_gimple_workers::clone): Likewise.
(pass_oacc_gimple_device_lower::clone): Likewise.
* passes.cc (pass_data_no_loop_optimizations): New pass_data.
(class pass_no_loop_optimizations): New pass.
(make_pass_no_loop_optimizations): New function.
* passes.def: Move pass_oacc_{loop_designation,
gimple_workers, device_lower} into tree_loop, and add
copies to pass_tree_no_loop and to new
pass_no_loop_optimizations. Add copies of passes pass_ccp,
pass_ipa_warn, pass_complete_unrolli, pass_backprop,
pass_phiprop, pass_fix_loops after the OpenACC passes
in pass_tree_loop.
* tree-ssa-loop-ivcanon.cc (pass_complete_unroll::clone):
New member function.
(pass_complete_unrolli::clone): Likewise.
* tree-ssa-loop.cc (pass_fix_loops::clone): Likewise.
(pass_tree_loop_init::clone): Likewise.
(pass_tree_loop_done::clone): Likewise.
* tree-ssa-phiprop.cc (pass_phiprop::clone): Likewise.
2021-11-16 Sandra Loosemore <sandra@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
* expr.cc (get_inner_reference): Handle NOP_EXPR like
VIEW_CONVERT_EXPR.
2021-11-16 Frederik Harwath <frederik@codesourcery.com>
* tree-cfg.h (gimple_debug_cfg): Change argument type from int
to dump_flags_t.
2021-06-03 Julian Brown <julian@codesourcery.com>
* gimplify.cc (extract_base_bit_offset): Don't look through ARRAY_REFs or
INDIRECT_REFs here.
(build_struct_group): Reinstate previous behaviour for handling
ARRAY_REFs/INDIRECT_REFs.
2021-06-02 Julian Brown <julian@codesourcery.com>
* gimplify.cc (extract_base_bit_offset): Add BASE_IND and OPENMP
parameters. Handle pointer-typed indirect references for OpenACC
alongside reference-typed ones.
(strip_components_and_deref, aggregate_base_p): New functions.
(build_struct_group): Add pointer type indirect ref handling,
including chained references, for OpenACC. Also handle references to
structs for OpenACC. Conditionalise bits for OpenMP only where
appropriate.
(gimplify_scan_omp_clauses): Rework pointer-type indirect structure
access handling to work more like the reference-typed handling for
OpenACC only.
* omp-low.cc (scan_sharing_clauses): Handle pointer-type indirect struct
references, and references to pointers to structs also.
2021-06-02 Julian Brown <julian@codesourcery.com>
* gimplify.cc (insert_struct_comp_map): Refactor function into...
(build_struct_comp_nodes): This new function. Remove list handling
and improve self-documentation.
(insert_node_after, move_node_after, move_nodes_after,
move_concat_nodes_after): New helper functions.
(build_struct_group): New function to build up GOMP_MAP_STRUCT node
groups to map struct components. Outlined from...
(gimplify_scan_omp_clauses): Here. Call above function.
2021-06-02 Julian Brown <julian@codesourcery.com>
* gimplify.cc (extract_base_bit_offset): Unify ARRAY_REF/INDIRECT_REF
stripping code in first call/subsequent call cases.
2021-06-02 Julian Brown <julian@codesourcery.com>
* gimplify.cc (gimplify_scan_omp_clauses): Simplify condition
for changing GOMP_MAP_ATTACH_DETACH to GOMP_MAP_ATTACH or
GOMP_MAP_DETACH.
2021-04-07 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-low.cc (is_oacc_parallel_or_serial): Handle
GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_PARALLELIZED and
GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_GANG_SINGLE.
2021-03-04 Andrew Stubbs <ams@codesourcery.com>
* dwarf2out.cc (notional_parents_list): New file variable.
(gen_subprogram_die): Record offload kernel functions in
notional_parents_list.
(fixup_notional_parents): New function.
(dwarf2out_finish): Call fixup_notional_parents.
(dwarf2out_c_finalize): Reset notional_parents_list.
2021-03-01 Kwok Cheung Yeung <kcy@codesourcery.com>
* omp-expand.cc (expand_oacc_for): Convert .tile variable to
diff_type before multiplying.
* omp-general.cc (omp_extract_for_data): Use accumulated precision
of all collapsed for-loops as precision of iteration variable, up
to the precision of a long long.
2021-02-26 Andrew Stubbs <ams@codesourcery.com>
* dwarf2out.cc (gen_subprogram_die): Replace existing low/high PC
attributes, rather than ICE.
2021-02-02 Chung-Lin Tang <cltang@codesourcery.com>
* omp-offload.cc (omp_finish_file): Add code to create OpenMP requires
mask variable in .gnu.gomp_requires section if needed.
2021-02-01 Chung-Lin Tang <cltang@codesourcery.com>
* omp-low.cc (install_var_field): Add new 'tree key_expr = NULL_TREE'
default parameter. Set splay-tree lookup key to key_expr instead of
var if key_expr is non-NULL. Adjust call to install_parm_decl.
Update comments.
(scan_sharing_clauses): Use clause tree expression as splay-tree key
for map/to/from and OpenACC firstprivate cases when installing the
variable field into the send/receive record type.
(maybe_lookup_field_in_outer_ctx): Add code to search through
construct clauses instead of entirely based on splay-tree lookup.
(lower_oacc_reductions): Adjust to find map-clause of reduction
variable, then create receiver-ref.
(lower_omp_target): Adjust to lookup var field using clause expression.
2021-01-16 Andrew Stubbs <ams@codesourcery.com>
* dwarf2out.cc (gen_subprogram_die): Check offload attributes only.
2021-01-15 Andrew Stubbs <ams@codesourcery.com>
* dwarf2out.cc (add_location_or_const_value_attribute): Set
DW_AT_address_class, if appropriate.
2020-12-06 Andrew Stubbs <ams@codesourcery.com>
* dwarf2out.cc (gen_subprogram_die): Add high/low_pc attributes for
parents of offload kernels.
2021-01-13 Julian Brown <julian@codesourcery.com>
* doc/tm.texi.in (TARGET_VECTORIZE_PREFER_GATHER_SCATTER): Add
documentation hook.
* doc/tm.texi: Regenerate.
* target.def (prefer_gather_scatter): Add target hook under vectorizer.
* tree-vect-stmts.cc (get_group_load_store_type): Optionally prefer
gather/scatter instructions to scalar/elementwise fallback.
* config/gcn/gcn.cc (TARGET_VECTORIZE_PREFER_GATHER_SCATTER): Define
hook.
2021-01-13 Julian Brown <julian@codesourcery.com>
* omp-offload.cc (oacc_thread_numbers): Add VF_BY_VECTORIZER parameter.
Add overloaded wrapper for previous arguments & behaviour.
(oacc_xform_loop): Lower vector loops to iterate a multiple of
omp_max_vf times over contiguous steps on non-SIMT targets.
2020-07-27 Andrew Stubbs <ams@codesourcery.com>
* dwarf2cfi.cc (get_cfa_from_loc_descr): Support register spans
with DW_OP_piece and DW_OP_LLVM_piece_end.
* dwarf2out.cc (build_cfa_loc): Support register spans.
2020-08-19 Sandra Loosemore <sandra@codesourcery.com>
Add a "combined" flag for "acc kernels loop" etc directives.
* tree.h (OACC_LOOP_COMBINED): New.
2020-06-03 Tobias Burnus <tobias@codesourcery.com>
* gimplify.cc (localize_reductions): Do not create local
variable for privatized arrays.
2020-03-27 Sandra Loosemore <sandra@codesourcery.com>
* doc/invoke.texi (Option Summary): Add entries for
-Wopenacc-kernels-annotate-loops and
-fno-openacc-kernels-annotate-loops.
(Warning Options): Document -Wopenacc-kernels-annotate-loops.
(Optimization Options): Document -fno-openacc-kernels-annotate-loops.
2020-02-06 Tobias Burnus <tobias@codesourcery.com>
* omp-low.c (convert_from_firstprivate_int):
Use VIEW_CONVERT also for vectors.
2020-02-19 Julian Brown <julian@codesourcery.com>
* gimplify.cc (gimplify_scan_omp_clauses): Handle
GOMP_MAP_DECLARE_ALLOCATE and GOMP_MAP_DECLARE_DEALLOCATE.
2018-10-04 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
* omp-low.c (scan_sharing_clauses): Update handling of OpenACC declare
create, declare copyin and declare deviceptr to have local lifetimes.
(convert_to_firstprivate_int): Handle pointer types.
(convert_from_firstprivate_int): Likewise. Create local storage for
the values being pointed to. Add new orig_type argument.
(lower_omp_target): Handle GOMP_MAP_DECLARE_{ALLOCATE,DEALLOCATE}.
Add orig_type argument to convert_from_firstprivate_int call.
Allow pointer types with GOMP_MAP_FIRSTPRIVATE_INT. Don't privatize
firstprivate VLAs.
* tree-pretty-print.c (dump_omp_clause): Handle
GOMP_MAP_DECLARE_{ALLOCATE,DEALLOCATE}.
2019-09-20 Julian Brown <julian@codesourcery.com>
* gimplify.cc (localize_reductions): Rewrite references for
OMP_CLAUSE_PRIVATE also.
2019-09-17 Tobias Burnus <tobias@codesourcery.com>
* gimplify.cc (gomp_oacc_needs_data_present): Remove unused variable.
2019-09-06 Julian Brown <julian@codesourcery.com>
* gimplify.cc (gimplify_omp_for): Use for_stmt in call to
localize_reductions.
2019-09-06 Julian Brown <julian@codesourcery.com>
* gimplify.cc (gimplify_omp_workshare): Use OMP_CLAUSES, OMP_BODY
instead of OMP_TARGET_CLAUSES, OMP_TARGET_BODY.
2019-09-05 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
* gimplify.cc (privatize_reduction): New struct.
(localize_reductions_r, localize_reductions): New functions.
(gimplify_omp_for): Call localize_reductions.
(gimplify_omp_workshare): Likewise.
* omp-low.cc (lower_oacc_reductions): Handle localized reductions.
Create fewer temp vars.
* tree-core.h (omp_clause_code): Add OMP_CLAUSE_REDUCTION_PRIVATE_DECL
documentation.
* tree.cc (omp_clause_num_ops): Bump number of ops for
OMP_CLAUSE_REDUCTION to 6.
(walk_tree_1): Adjust accordingly.
* tree.h (OMP_CLAUSE_REDUCTION_PRIVATE_DECL): Add macro.
2019-07-10 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
* gimplify.cc (gimplify_adjust_omp_clauses_1): Raise error for
assumed-size arrays in map clauses for Fortran/OpenMP.
* omp-low.cc (lower_omp_target): Set the size of assumed-size Fortran
arrays to one to allow use of data already mapped on the offload device.
2019-05-20 Julian Brown <julian@codesourcery.com>
* gimplify.cc (gimplify_adjust_omp_clauses_1): Support implied no_alloc
and optional arguments based on mappings in enclosing data regions.
2019-05-19 Julian Brown <julian@codesourcery.com>
* gimplify.cc (oacc_array_mapping_info): Add REF field.
(gimplify_scan_omp_clauses): Initialise above field for data blocks
passed by reference.
(gomp_oacc_needs_data_present): Handle references.
(gimplify_adjust_omp_clauses_1): Handle references and optional
arguments for variables declared in lexically-enclosing OpenACC data
region.
2019-01-23 Thomas Schwinge <thomas@codesourcery.com>
* params.opt (openacc_kernels): Default to decompose.
2018-09-05 Cesar Philippidis <cesar@codesourcery.com>
Chung-Lin Tang <cltang@codesourcery.com>
* gimplify.cc (omp_add_variable): Enable firstprivate reduction
variables.
2018-09-20 Cesar Philippidis <cesar@codesourcery.com>
* omp-low.cc (lower_oacc_head_mark): Don't mark OpenACC auto
loops as independent inside acc parallel regions.
2018-12-22 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
* omp-low.cc (maybe_lookup_field_in_outer_ctx): New function.
(convert_to_firstprivate_int): New function.
(convert_from_firstprivate_int): New function.
(lower_omp_target): Enable GOMP_MAP_FIRSTPRIVATE_INT in OpenACC.
Remove unused variable.
2018-08-28 Julian Brown <julian@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
* gimplify.cc (oacc_array_mapping_info): New struct.
(gimplify_omp_ctx): Add decl_data_clause hash map.
(new_omp_context): Zero-initialise above.
(delete_omp_context): Delete above if allocated.
(gimplify_scan_omp_clauses): Scan for array mappings on data constructs,
and record in above map.
(gomp_oacc_needs_data_present): New function.
(gimplify_adjust_omp_clauses_1): Handle data mappings (e.g. array
slices) declared in lexically-enclosing data constructs.
* omp-low.cc (lower_omp_target): Allow decl for bias not to be present
in OpenACC context.
2018-10-05 Nathan Sidwell <nathan@acm.org>
Tom de Vries <tdevries@suse.de>
Thomas Schwinge <thomas@codesourcery.com>
Julian Brown <julian@codesourcery.com>
* doc/invoke.texi (fopenacc-dim): Update.
* omp-offload.cc (oacc_parse_default_dims): Update.
2019-09-20 Chung-Lin Tang <cltang@codesourcery.com>
Cesar Philippidis <cesar@codesourcery.com>
* omp-expand.cc (struct omp_region): Add inside_kernels_p field.
(expand_omp_for_generic): Adjust to generate a 'sequential' loop
when GOMP builtin arguments are BUILT_IN_NONE.
(expand_omp_for): Use expand_omp_for_generic to generate a
non-parallelized loop for OMP_FORs inside OpenACC kernels regions.
(expand_omp): Mark inside_kernels_p field true for regions
nested inside OpenACC kernels constructs.
2018-09-20 Cesar Philippidis <cesar@codesourcery.com>
Julian Brown <julian@codesourcery.com>
* omp-low.c (install_var_field): New base_pointer_restrict
argument.
(scan_sharing_clauses): Update call to install_var_field.
(omp_target_base_pointers_restrict_p): New function.
(scan_omp_target): Update call to install_var_field.
2018-10-30 Cesar Philippidis <cesar@codesourcery.com>
* config/nvptx/nvptx.cc (nvptx_propagate_unified): New.
(nvptx_split_blocks): Call it for cond_uni insn.
(nvptx_expand_cond_uni): New.
(enum nvptx_builtins): Add NVPTX_BUILTIN_COND_UNI.
(nvptx_init_builtins): Initialize it.
(nvptx_expand_builtin):
(nvptx_generate_vector_shuffle): Change integral SHIFT operand to
tree BITS operand.
(nvptx_vector_reduction): New.
(nvptx_adjust_reduction_type): New.
(nvptx_goacc_reduction_setup): Use it to adjust the type of ref_to_res.
(nvptx_goacc_reduction_init): Don't update LHS if it doesn't exist.
(nvptx_goacc_reduction_fini): Call nvptx_vector_reduction for vector.
Use it to adjust the type of ref_to_res.
(nvptx_goacc_reduction_teardown):
* config/nvptx/nvptx.md (cond_uni): New pattern.
2018-06-29 Cesar Philippidis <cesar@codesourcery.com>
James Norris <jnorris@codesourcery.com>
* gimplify.cc (enum gimplify_omp_var_data): Add GOVD_DEVICETPR.
(omp_notice_variable): Add GOVD_DEVICEPTR attribute when appropriate.
(gimplify_scan_omp_clauses): Add GOVD_DEVICEPTR attribute when
appropriate.
(gimplify_adjust_omp_clauses_1): Set GOMP_MAP_FORCE_DEVICEPTR for
implicit deviceptr mappings.
2020-04-19 Chung-Lin Tang <cltang@codesourcery.com>
PR other/76739
* builtin-types.def (BT_FN_VOID_INT_SIZE_PTR_PTR_PTR_VAR): New type.
* omp-builtins.def (BUILT_IN_GOACC_DATA_START): Adjust function type
to new BT_FN_VOID_INT_SIZE_PTR_PTR_PTR_VAR.
* gimplify.cc (gimplify_scan_omp_clauses): Skip gimplification of
OMP_CLAUSE_SIZE of non-contiguous array maps (which is a TREE_LIST).
* omp-expand.cc (expand_omp_target): Add non-contiguous array descriptor
pointers to variadic arguments.
* omp-low.cc (append_field_to_record_type): New function.
(create_noncontig_array_descr_type): Likewise.
(create_noncontig_array_descr_init_code): Likewise.
(scan_sharing_clauses): For non-contiguous array map kinds, check for
supported dimension structure, and install non-contiguous array
variable into current omp_context.
(reorder_noncontig_array_clauses): New function.
(scan_omp_target): Call reorder_noncontig_array_clauses to place
non-contiguous array map clauses at beginning of clause sequence.
(lower_omp_target): Add handling for non-contiguous array map kinds,
add all created non-contiguous array descriptors to
gimple_omp_target_data_arg.
2022-06-20 Kwok Cheung Yeung <kcy@codesourcery.com>
* Makefile.in (REVISION_s): Change default message.
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